diff --git a/tmux.h b/tmux.h
index a39d2a5b..079a30a1 100644
--- a/tmux.h
+++ b/tmux.h
@@ -1378,9 +1378,6 @@ struct window {
 	u_int			 xpixel;
 	u_int			 ypixel;
 
-	u_int			 last_new_pane_x;
-	u_int			 last_new_pane_y;
-
 	u_int			 new_sx;
 	u_int			 new_sy;
 	u_int			 new_xpixel;
diff --git a/window.c b/window.c
index 8679de63..c158c3a4 100644
--- a/window.c
+++ b/window.c
@@ -2123,71 +2123,6 @@ window_pane_tiled_geometry(struct window *w, struct window_pane *wp,
 	return (0);
 }
 
-int
-window_pane_float_geometry(struct window *w, struct window_pane *wp,
-    u_int *out_x, u_int *out_y, u_int *out_sx, u_int *out_sy,
-    struct cmdq_item *item, struct args *args, char **cause)
-{
-	u_int		x, y, sx, sy;
-	const u_int	cx = 4, cy = 2;
-
-	/* Default size. */
-	sx = w->sx / 2;
-	sy = w->sy / 2;
-
-	if (args_has(args, 'x')) {
-		sx = args_percentage_and_expand(args, 'x', 0, USHRT_MAX, w->sx,
-			item, cause);
-		if (*cause != NULL)
-			return (-1);
-	}
-	if (args_has(args, 'y')) {
-		sy = args_percentage_and_expand(args, 'y', 0, USHRT_MAX, w->sy,
-		    item, cause);
-		if (*cause != NULL)
-			return (-1);
-	}
-
-	/* Position defaults to cascading when not defined. */
-	if (args_has(args, 'X')) {
-		x = args_percentage_and_expand(args, 'X', 0, USHRT_MAX, w->sx,
-		    item, cause);
-		if (*cause != NULL)
-			return (-1);
-	} else {
-		if (w->last_new_pane_x == 0)
-			x = cx;
-		else {
-			x = w->last_new_pane_x + cx;
-			if (w->last_new_pane_x > w->sx)
-				x = cx;
-		}
-		w->last_new_pane_x = x;
-	}
-	if (args_has(args, 'Y')) {
-		y = args_percentage_and_expand(args, 'Y', 0, USHRT_MAX, w->sy,
-		    item, cause);
-		if (*cause != NULL)
-			return (-1);
-	} else {
-		if (w->last_new_pane_y == 0)
-			y = cy;
-		else {
-			y = w->last_new_pane_y + cy;
-			if (w->last_new_pane_y > w->sy)
-				y = cy;
-		}
-		w->last_new_pane_y = y;
-	}
-
-out:
-	*out_x = x;
-	*out_y = y;
-	*out_sx = sx;
-	*out_sy = sy;
-	return (0);
-}
-
 /* Work out geometry for floating panes. */
 int
 window_pane_floating_geometry(struct window *w, __unused struct window_pane *wp,